19449615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 33359040

約数和(自身を除く): 13909425

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 857, 1335, 1513, 2571, 4285, 4539, 7565, 12855, 14569, 22695, 43707, 72845, 76273, 218535, 228819, 381365, 1144095, 1296641, 3889923, 6483205, 19449615]

約数ペア:

[(1, 19449615), (3, 6483205), (5, 3889923), (15, 1296641), (17, 1144095), (51, 381365), (85, 228819), (89, 218535), (255, 76273), (267, 72845), (445, 43707), (857, 22695), (1335, 14569), (1513, 12855), (2571, 7565), (4285, 4539)]